diff options
Diffstat (limited to 'lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py')
-rwxr-xr-x | lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py new file mode 100755 index 00000000..e7c11f1d --- /dev/null +++ b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py @@ -0,0 +1,55 @@ +"""Stuff that isn't in some old versions of Python""" + +import sys +import os +import shutil + +__all__ = ['any', 'WindowsError', 'md5', 'copytree'] + +try: + WindowsError = WindowsError +except NameError: + WindowsError = None +try: + from hashlib import md5 +except ImportError: + import md5 as md5_module + md5 = md5_module.new + +try: + from pkgutil import walk_packages +except ImportError: + # let's fall back as long as we can + from _pkgutil import walk_packages + +try: + any = any +except NameError: + + def any(seq): + for item in seq: + if item: + return True + return False + + +def copytree(src, dst): + if sys.version_info < (2, 5): + before_last_dir = os.path.dirname(dst) + if not os.path.exists(before_last_dir): + os.makedirs(before_last_dir) + shutil.copytree(src, dst) + shutil.copymode(src, dst) + else: + shutil.copytree(src, dst) + + +def product(*args, **kwds): + # product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy + # product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111 + pools = map(tuple, args) * kwds.get('repeat', 1) + result = [[]] + for pool in pools: + result = [x+[y] for x in result for y in pool] + for prod in result: + yield tuple(prod) |